While visiting my brother's family in Missouri last December, I became amused by the antics of their neighbor's dog. While we played in the yard, this guy barked and peered through the fence in utter frustration. To me, that's exactly what this photo portrays: frustration.
After I pulled the shot off my camera, I found something interesting. Check out the reflection in his eye:
His side of the fence, and a little silhouette of me, taking his photo. Weirdness!
Shot with Nikon D200 using 70-300mm f/4.0-5.6 lens ... 180mm, 1/500s at f/4.8. December 29, 2008.